Two separate clipping circuits, to separate sets of controls, handy switching between the two... dang, this was a couple of decades ahead of it's time. These are increasingly sought after and not in danger of a Waza reissue anytime soon. Bonus: soothing yellow colour.

Model: Boss SD-2 Dual Overdrive
Made: Taiwan,1993 (serial AF34699)
Type: overdrive
Power: standard 9v DC negative supply or 9V battery (not included)
Switching: buffered bypass
Equivalent new street price (approx): n/a (long discontinued)
Mods: none
Accessories: original box and manual
Condition notes: used, no major marks, fully functional. Overall: very good condition